111045340453 has 2 divisors, whose sum is σ = 111045340454. Its totient is φ = 111045340452.

The previous prime is 111045340451. The next prime is 111045340477. The reversal of 111045340453 is 354043540111.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 111020907204 + 24433249 = 333198^2 + 4943^2 .

It is a cyclic number.

It is not a de Polignac number, because 111045340453 - 2¹ = 111045340451 is a prime.

Together with 111045340451, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (111045340451) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55522670226 + 55522670227.

It is an arithmetic number, because the mean of its divisors is an integer number (55522670227).

Almost surely, 2^111045340453 is an apocalyptic number.

It is an amenable number.

111045340453 is a deficient number, since it is larger than the sum of its proper divisors (1).

111045340453 is an equidigital number, since it uses as much as digits as its factorization.

111045340453 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 14400, while the sum is 31.

Adding to 111045340453 its reverse (354043540111), we get a palindrome (465088880564).

The spelling of 111045340453 in words is "one hundred eleven billion, forty-five million, three hundred forty thousand, four hundred fifty-three".